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Pulsed laser light turns whole-brain activity on and off December 18, 2015 [image: Optogenetic light delivery] Study may guide deep brain stimulation therapies used for traumatic brain injury and other neurological disorders By flashing high-frequency (40 to 100 pulses per second) optogenetic lasers at the brain’s thalamus, scientists were able to wake up sleeping rats and cause widespread brain activity. In contrast, flashing the laser at 10 pulses per second suppressed the activity of the brain’s sensory cortex and caused rats to enter a seizure-like state of … more…

Mortality risk attributable to smoking, hypertension and diabetes among English and Brazilian older adults (The ELSA and Bambui cohort ageing studies) *ARTICLE* in THE EUROPEAN JOURNAL OF PUBLIC HEALTH · DECEMBER 2015 with 30 READS Impact Factor: 2.59 · DOI: 10.1093/eurpub/ckv225 - 1st Cesar de Oliveira 23.75 · University College London - 2nd Michael G Marmot 53.98 · University College London - + 2 3rd Panayotes Demakakos 30.85 · University College London - Last Maria Fernanda Lima-Costa SHOW MORE AUTHORS (2) ABSTRACT Background: The main aim of this study w...mais »

The 19th-Century Savior for 21st-Century Climate Change The negotiators in Paris should've asked: What would Alexander von Humboldt do? - BY ANDREA WULF - DECEMBER 17, 2015 - - [image: facebook][image: twitter][image: google-plus][image: reddit][image: email] [image: The 19th-Century Savior for 21st-Century Climate Change] Now that the speeches have died down and the champagne has been put away, it’s worth considering French President François Hollande’s note of caution at the conclusion of the Paris climate conference. “We will not be judged on a word but an act,” ...mais »

Alzheimer’s from the insideby vaughanbell There's an excellent short-film, featuring journalist Greg O'Brien, who describes the experience of Alzheimer's disease as it affects him. It's both moving and brilliantly made, skilfully combining the neuroscience of Alzheimer's with the raw experience of experiencing dementia. I found it in this *Nautilus* article, also by O'Brien, who has taken the rare step of writing abook about the experience of Alzheimer's disease before it affected his ability to write. Link to short film Inside Alzheimer’s on *vimeo*. Link to *Nautilus* article. *vaug...mais »

Human Development Report 2015: Work for Human Development This Report starts with a fundamental question—how can work enhance human development? The Report takes a broad view of work, going beyond jobs and taking into account such activities as unpaid care work, voluntary work and creative work—all of which contribute to the richness of human lives. Download: [image: PDF icon] 2015_human_development_report.pdf Global Human Development Report

*The Huffington Post • The World Post* | The world’s most influential voices of 2015 Gottlieb Duttweiler Institute | Global Thought Leaders 2015 • no. 25. Ray Kurzweil December 13, 2015 *The Huffington Post • The World Post* — December 7, 2015 | Nathan Gardels T*his is a summary. Read original article in full here**.* or here *The world’s most influential voices of 2015* The Global Thought Leaders index for 2015, a collective intelligence analysis that maps the global conversation on the internet and ranks its most influential voices, has just been released by *The World Post* and Gott...mais »

Parkinson’s disease researchers discover a way to reprogram the genome to produce dopamine neurons December 8, 2015 [image: Image shows a protein found only in neurons (red) and an enzyme that synthesizes dopamine (green). Cell DNA is labeled in blue. (credit: Jian Feng, University at Buffalo)] May enable researchers to generate patient-specific neurons to be transplanted into the brain to repair faulty neurons; also a generic way to change cells from one type to another Parkinson’s disease researchers at the Jacobs School of Medicine and Biomedical Sciences at the University at Buff...mais »

[image: Go to the profile of Gustavo Tanaka] Gustavo TanakaOct 146 min read There is something extraordinary happening in the world Most of us haven’t quite realized there is something extraordinary happening. A few months ago I freed myself from standard-procedure society, I broke the chains of fear that kept me locked up into the system. Since then, I see the world from a different perspective: the one that everything is going through change and that most of us are unware of that. Why is the world changing? In this post I’ll point out the 8 reasons that lead me to believe it.

Worm research in life extension leads scientists to discover new metric to track aging December 10, 2015 [image: C. elegans nematode worm (credit: The Goldstein Lab)] Living longer usually means a living longer in old age, but wouldn't it better to extend young adulthood instead? When researchers at The Scripps Research Institute (TSRI) in California administered an antidepressant called mianserin to the Caenorhabditis elegans roundworm in 2007, they discovered the drug increased the lifespan of the “young adulthood” of roundworms by 30–40 per cent. So, does that mean it will work in...mais »